Note - Blast analyses are based on comparisons of the phosphosites and the bordering four amino acids on each side of these phosphosites.

Phosphosite
Human Protein:	COL4A1
Human P-Site:	S300
P-Site Sequence:	GDKGEKGSPGFPGEP
UniProt:	P02462
Intern. Prot. ID:	IPI00743696

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	COL4A1	P02462	S300	GDKGEKGSPGFPGEP	100 / 9 AA	161
Phosphosite 1:	COL21A1	Q96P44	S543	GAKGDKGSPGFYGKK	87 / 8 AA	99
Phosphosite 2:	COL4A5	P29400	S864	GPPGERGSPGIPGAP	77 / 9 AA	161
Phosphosite 3:	CCBE1	Q6UXH8	S266	GSPGPKGSPGFPGMP	88 / 9 AA	44
Phosphosite 4:	COL22A1	Q8NFW1	S1355	GSKGENGSPGLPGFL	77 / 9 AA	161
Phosphosite 5:	COL27A1	Q8IZC6	S899	GKVGDKGSIGFPGPP	77 / 9 AA	187
Phosphosite 6:	COL4A3	Q01955	S857	GFPGETGSPGIPGHQ	77 / 9 AA	162
Phosphosite 7:	COL4A3	Q01955	S917	GTPGQRGSPGIPGVK	66 / 9 AA	162
Phosphosite 8:	COL21A1	Q96P44	S880	GRNGEKGSQGFGYPG	87 / 8 AA	99
Phosphosite 9:	COL4A6	Q14031	S901	GPKGEKGSVGFVGFP	87 / 8 AA	164
Phosphosite 10:	C1QTNF3	Q9BXJ4	Y109	GPKGEKGYPGIPPEL	77 / 9 AA	27
Phosphosite 11:	COL22A1	Q8NFW1	S534	GEKGEKGSLGLPGPP	77 / 9 AA	161
Phosphosite 12:	COL4A6	Q14031	S802	GPKGERGSPGTPGQV	77 / 9 AA	164
Phosphosite 13:	COL6A3	P12111	S2096	GQRGVKGSRGFPGEK	77 / 9 AA	344
Phosphosite 14:	CO3A1	P02461	S934	GQPGEKGSPGAQGPP	100 / 7 AA	139
Phosphosite 15:	COL1A1	P02452	S936	GPAGEKGSPGADGPA	100 / 7 AA	139
Phosphosite 16:	COL7A1	Q02388	S1327	GAPGLKGSPGLPGPR	77 / 9 AA	295
Phosphosite 17:	COL4A2	P08572	S315	GLSGEKGSPGQKGSR	100 / 7 AA	168
Phosphosite 18:	C1QTNF6	Q9BXI9	S115	GDKGEMGSPGAPCQK	77 / 9 AA	29
Phosphosite 19:	CO3A1	P02461	S865	GVKGERGSPGGPGAA	77 / 9 AA	139
Phosphosite 20:	CO3A1	P02461	S1039	GDRGENGSPGAPGAP	77 / 9 AA	139